The DNL component has 3 input parameters:

• ItemList, that represents the data to populate the dropdown and it's sub menus, which has a DNLItem data type, a specific structure for this component;
• SelectedItemId, which is to be set if the developer wants the DNL to be initialized with a selected element;
• FillParentWidth, defaults to True, if set to false the DNL will not occuppy the parent element width and will have a static horizontal dimension.

The sub menus will open where there is space in the screen for them to be displayed. See the demo for clarification.